The MX Master line has been the default recommendation for power users for years, and the 3S is the most refined version yet. We sell and set up a lot of these for office workers, designers, developers and students in Klang Valley — so here's a straight, practical review of what you actually get for RM399.
Specifications at a glance
- →Sensor: 8000 DPI Darkfield — tracks on virtually any surface, including glass (4mm+)
- →Scroll: MagSpeed electromagnetic wheel — switches between ratchet and free-spin automatically
- →Clicks: Quiet Clicks — about 90% less click noise than the previous MX Master 3
- →Battery: rechargeable, up to ~70 days per full charge; a 1-minute USB-C top-up gives ~3 hours
- →Connectivity: Logi Bolt USB receiver or Bluetooth Low Energy — pairs with up to 3 devices
- →Cross-computer: Logitech Flow — control 2–3 computers and copy-paste between them
- →Software: Logi Options+ for per-app button customisation
Design & ergonomics
This is a full-size, right-handed mouse with a tall, sculpted shape that supports your palm rather than forcing a flat grip. If you're on the mouse for hours, that support is the single biggest reason to buy one — wrist and hand fatigue noticeably drop. The trade-offs: it's not for left-handers, and at ~141g it's not a lightweight gaming mouse. For productivity, that weight feels planted, not sluggish.
The MagSpeed scroll wheel
The headline feature still impresses. In ratchet mode you get precise, notched scrolling; flick faster and the wheel free-spins, gliding through long documents, spreadsheets and web pages almost instantly. There's also a dedicated thumb wheel for horizontal scrolling — a quiet productivity boost in wide spreadsheets and timelines.
Tracking that works on glass
The 8000 DPI Darkfield sensor is overkill for pointing accuracy in the best way — it's smooth and precise on desks, fabric, and even a glass table (4mm thick or more), where most mice fail entirely. For a café or a glass-top desk, that alone can be the deciding feature.
Quiet clicks & battery
The 3S's defining upgrade over the older 3 is the near-silent click. The tactile feel is still there, but the sound is dramatically reduced — ideal for shared offices, meetings, and night-time work. Battery life is a non-issue: roughly 70 days per charge, and it charges over USB-C while you keep using it, so it's effectively never out of action.
Who should buy it?
- →Office workers, developers and designers who are on a mouse all day
- →Anyone running two or three machines who wants one mouse to rule them all (Flow)
- →People who want a quiet, premium mouse that lasts for years
- →Not ideal for: left-handers, competitive gamers (get a lightweight gaming mouse), or anyone who just needs a basic clicker — the M331 is better value there
Price & where to buy in Malaysia
We stock the MX Master 3S at RM399 with delivery nationwide and free West-Malaysia shipping over RM100. It's genuine stock with full warranty.
Logitech MX Master 3S Mouse
Premium wireless mouse. 8000 DPI Darkfield tracking, ultra-fast MagSpeed scroll. Logi Bolt + Bluetooth.
RM 399.00
Verdict
In 2026 the MX Master 3S is still the productivity mouse to beat. Nothing in its class matches the combination of ergonomics, the MagSpeed wheel, glass-capable tracking, quiet clicks and multi-device Flow. If you spend your working day at a desk, it pays for itself in comfort and speed. For lighter use or a tighter budget, step down to the MX Anywhere 3S or the M590 — see our wireless mouse buying guide.
💡 We can set it up for you — pair it, install Logi Options+, and configure the buttons and Flow across your computers. Just ask when you order.
